[bug]: Plugin init fails due to mismatched React dependency versions

[tewson]

What version of @strapi/sdk-plugin are you using?

NPM version: 11.8.0
Node version: v24.13.1
SDK version: 5.4.0

What's Wrong?

When running npx @strapi/sdk-plugin init my-plugin, the npm install step fails because of peer dependency mismatch between react and react-intl.

The SDK generates the plugin's package.json containing "react": "^18.3.1" and "react-intl": "^8.1.3". However, react-intl only supports React 19 starting from v8.1.3 (see commit). This causes the npm install step to fail.

This is very unfortunate because react-intl@8.1.2 does support React 18 (https://github.com/formatjs/formatjs/blob/react-intl%408.1.2/packages/react-intl/package.json#L24)

To Reproduce

Run npx @strapi/sdk-plugin init my-plugin

Expected Behaviour

The plugin should be created and have dependencies installed.

[Link2Twenty]

I think this is the same as #109

[dosubot]

Thanks for the detailed bug report! This is a confirmed issue in the SDK.

Root cause: The file-generator.ts specifies react-intl: '*' (wildcard) while constraining React to '^17.0.0 || ^18.0.0'. The wildcard resolves to the latest react-intl from npm, which now requires React 19.

Workaround: You can run the init command with --legacy-peer-deps or use npm install --force after initialization. Alternatively, manually edit the generated package.json to pin react-intl to ^8.1.2 before running npm install.

There's also a related issue (#109) tracking a similar mismatch with @types/react packages.

Written by @dosu, approved by ben.irvin@strapi.io

To reply, just mention @dosu.

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